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X-RAY DIFFRACTION
Materials and Methods page
3TPE
  •   Crystallization Hide
    Crystallization Experiments
    Method VAPOR DIFFUSION
    pH 7.5
    Temperature 298.0
    Details peg 6000, pH 7.5, VAPOR DIFFUSION, temperature 298K
     
  •   Crystal Data Hide
    Unit Cell
    Length    (Å) Angle    (°)
    a = 68.6 α = 90
    b = 68.6 β = 90
    c = 170.5 γ = 120
     
    Space Group
    Space Group Name:    P 31 2 1
     
     
  •   Diffraction Hide
    Diffraction Experiment
    Diffrn ID 1
    Data Collection Temperature 100
     
    Diffraction Detector
    Detector CCD
    Type ADSC QUANTUM 315r
    Collection Date 2009-12-12
     
    Diffraction Radiation
    Monochromator si
    Diffraction Protocol SINGLE WAVELENGTH
     
    Diffraction Source
    Source SEALED TUBE
    Type ALS BEAMLINE 8.3.1
    Wavelength List 1.0
    Site ALS
    Beamline 8.3.1
     
     
  •   Refinement Data Hide
    Reflection Details
    Observed Criterion Sigma (F) 0.0
    Observed Criterion Sigma(I) 0.0
    Resolution(High) 1.9
    Resolution(Low) 85.1
    Number Reflections(All) 36810
    Number Reflections(Observed) 36801
    Percent Possible(Observed) 99.0
    B(Isotropic) From Wilson Plot 21.5
     
     
  •   Refinement Hide
    Refinement Statistics
    Structure Solution Method MOLECULAR REPLACEMENT
    reflnsShellList 1.9
    Resolution(Low) 56.1
    Cut-off Sigma(F) 0.0
    Number of Reflections(all) 36810
    Number of Reflections(Observed) 36743
    Number of Reflections(R-Free) 3678
    Percent Reflections(Observed) 97.7
    R-Factor(Observed) 0.184
    R-Work 0.184
    R-Free 0.243
    R-Free Selection Details RANDOM
     
    Temperature Factor Modeling
    Isotropic Thermal Model RESTRAINED
    Mean Isotropic B Value 35.2
    Anisotropic B[1][1] 3.9
    Anisotropic B[1][2] 0.0
    Anisotropic B[1][3] 0.0
    Anisotropic B[2][2] 3.9
    Anisotropic B[2][3] 0.0
    Anisotropic B[3][3] -7.8
     
    Resolution Shells
    Refinement method X-RAY DIFFRACTION
    Shell Resolution(High) 1.9
    Shell Resolution(Low) 2.02
    Number of Reflections(R-Free) 592
    Number of Reflections(R-Work) 4902
    R-Factor(R-Work) 0.241
    R-Factor(R-Free) 0.302
    R-Free Error 0.012
    Percent Reflections(Observed) 89.5
     
    RMS Deviations
    Parameter Type Deviation from Ideal
    c_improper_angle_d 1.05
    c_dihedral_angle_d 23.6
    c_angle_deg 1.6
    c_bond_d 0.015
     
    Coordinate Error
    Luzzati ESD(Observed) 0.2
    Luzzati Sigma A(Observed) 0.16
    Luzzati Resolution Cutoff(Low) 5.0
    Luzzati ESD(R-Free Set) 0.27
    Luzzati Sigma A(R-Free Set) 0.22
     
    Number of Non-Hydrogen Atoms Used in Refinement
    Protein Atoms 3347
    Nucleic Acid Atoms 0
    Heterogen Atoms 0
    Solvent Atoms 391
     
     
  •   Software and Computing Hide
    Computing
    Data Collection ADSC Quantum
    Data Reduction (intensity integration) MOSFLM
    Data Reduction (data scaling) SCALA
    Structure Solution molrep
    Structure Refinement CNS 1.2
     
    Software
    refinement CNS version: 1.2
    model building molrep
    data collection ADSC version: Quantum